diff options
Diffstat (limited to 'man3/mkfifo.3')
| -rw-r--r-- | man3/mkfifo.3 | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/man3/mkfifo.3 b/man3/mkfifo.3 index f43f07d..0f5c21c 100644 --- a/man3/mkfifo.3 +++ b/man3/mkfifo.3 @@ -6,7 +6,7 @@ .\" .\" changed section from 2 to 3, aeb, 950919 .\" -.TH mkfifo 3 2023-07-20 "Linux man-pages 6.05.01" +.TH mkfifo 3 2023-10-31 "Linux man-pages 6.7" .SH NAME mkfifo, mkfifoat \- make a FIFO special file (a named pipe) .SH LIBRARY @@ -16,20 +16,20 @@ Standard C library .nf .B #include <sys/types.h> .B #include <sys/stat.h> -.PP +.P .BI "int mkfifo(const char *" pathname ", mode_t " mode ); -.PP +.P .BR "#include <fcntl.h> " "/* Definition of AT_* constants */" .B #include <sys/stat.h> -.PP +.P .BI "int mkfifoat(int " dirfd ", const char *" pathname ", mode_t " mode ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR mkfifoat (): .nf Since glibc 2.10: @@ -44,14 +44,14 @@ makes a FIFO special file with name \fIpathname\fP. It is modified by the process's \fBumask\fP in the usual way: the permissions of the created file are \fB(\fP\fImode\fP\fB & \[ti]umask)\fP. -.PP +.P A FIFO special file is similar to a pipe, except that it is created in a different way. Instead of being an anonymous communications channel, a FIFO special file is entered into the filesystem by calling .BR mkfifo (). -.PP +.P Once you have created a FIFO special file in this way, any process can open it for reading or writing, in the same way as an ordinary file. However, it has to be open at both ends simultaneously before you can @@ -67,7 +67,7 @@ The function operates in exactly the same way as .BR mkfifo (), except for the differences described here. -.PP +.P If the pathname given in .I pathname is relative, then it is interpreted relative to the directory @@ -77,7 +77,7 @@ referred to by the file descriptor the calling process, as is done by .BR mkfifo () for a relative pathname). -.PP +.P If .I pathname is relative and @@ -89,13 +89,13 @@ then is interpreted relative to the current working directory of the calling process (like .BR mkfifo ()). -.PP +.P If .I pathname is absolute, then .I dirfd is ignored. -.PP +.P See .BR openat (2) for an explanation of the need for @@ -177,7 +177,6 @@ T{ .BR mkfifoat () T} Thread safety MT-Safe .TE -.sp 1 .SH VERSIONS It is implemented using .BR mknodat (2). |